Pith Number

pith:GOAGO245

pith:2014:GOAGO245PGJRKZ6YF5TG57HGG3

not attested not anchored not stored refs pending

A combinatorial interpretation for Schreyer's tetragonal invariants

Filip Cools, Wouter Castryck

arxiv:1410.1692 v2 · 2014-10-07 · math.AG · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GOAGO245PGJRKZ6YF5TG57HGG3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:29:31.633122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3380676b9d79931567d82f666efce636e199750962843dca9240d39e2cd8b8ec

Aliases

arxiv: 1410.1692 · arxiv_version: 1410.1692v2 · doi: 10.48550/arxiv.1410.1692 · pith_short_12: GOAGO245PGJR · pith_short_16: GOAGO245PGJRKZ6Y · pith_short_8: GOAGO245

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GOAGO245PGJRKZ6YF5TG57HGG3 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3380676b9d79931567d82f666efce636e199750962843dca9240d39e2cd8b8ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9b91b0435ab1c70455e0ec4495346cd0f2355c3983f4740244e58b2c3cbacc",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-07T11:39:21Z",
    "title_canon_sha256": "1c2adaca38b61932dc117fdee4660dda9f3e4163e65b687132fbba86e09a0024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1692",
    "kind": "arxiv",
    "version": 2
  }
}